| error[E0658]: the `#[ffi_const]` attribute is an experimental feature |
| --> $DIR/feature-gate-ffi_const.rs:4:5 |
| | |
| LL | #[ffi_const] |
| | ^^^^^^^^^^^^ |
| | |
| = note: see issue #58328 <https://github.com/rust-lang/rust/issues/58328> for more information |
| = help: add `#![feature(ffi_const)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0658`. |
